// 反序显示命令行参数的单词 
// 例如：see you later => later you see

#include <stdio.h>

int main(int argc, char *argv[])
{
	if (argc < 2)
	{
		printf("Error: at least one command-line argument required.\n");
		return 1;
	}
	else
		for (int i = argc - 1; i > 0; i--)
			printf("%s ", argv[i]);
	
	puts("");

	return 0;
}
